Demolition of existing I-64 Bridge over Mercury Blvd. and bridge on Magruder Blvd. over I-64. Construction of 5 new structural steel bridges at the Mercury Blvd. Interchange, 1 new structural steel bridge at Magruder Blvd. over I-64 and 1 bridge superstructure replacement of mainline I-64. This project featured phased construction with complex support of excavation.